CN105646390B - 3,4 pairs of (dinitro ylmethyl) furoxan dihydrazinites - Google Patents

3,4 pairs of (dinitro ylmethyl) furoxan dihydrazinites Download PDF

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CN105646390B
CN105646390B CN201610143372.9A CN201610143372A CN105646390B CN 105646390 B CN105646390 B CN 105646390B CN 201610143372 A CN201610143372 A CN 201610143372A CN 105646390 B CN105646390 B CN 105646390B
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dinitro
furoxan
ylmethyl
double
dihydrazinites
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CN105646390A (en
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翟连杰
樊学忠
王伯周
霍欢
周群
罗艺芬
毕福强
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Xian Modern Chemistry Research Institute
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/08—1,2,5-Oxadiazoles; Hydrogenated 1,2,5-oxadiazoles
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B25/00—Compositions containing a nitrated organic compound
    • C06B25/34—Compositions containing a nitrated organic compound the compound being a nitrated acyclic, alicyclic or heterocyclic amine

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  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

The invention discloses a kind of 3,4 pairs of (dinitro ylmethyl) furoxan dihydrazinite compounds, its structural formula is such as shown in (I)：

Description

Double (dinitro ylmethyl) the furoxan dihydrazinites of 3,4-
Technical field
The present invention relates to double (dinitro ylmethyl) the furoxan dihydrazinite compounds of 3,4- of one kind, belong to energetic material neck Domain.
Background technology
Furoxan has the nitrogen oxygen five-membered ring structure of coordinating oxygen atoms, becomes explosion base containing " latent nitro " in ring Group.Furoxan group replaces nitro to be remarkably improved the energy density of explosive, improves oxygen balance, and assign compound ring strain With the high standard enthalpy of formation.Meanwhile grinding for the field containing energy is being rapidly become based on dinitro ylmethyl ionic compound containing energy in recent years Study carefully hot spot, such compound have the characteristics that it is non-volatile, have good stability, density is higher and sensitivity is low, introduce different sun from Son is organically combined, and can be efficiently solved the repellency that energetic material can be reconciled in universality, be prepared comprehensive performance It is excellent containing can ionic compound, so as to meet that advanced weaponry equips the requirement to energetic material, available for the low sense explosive of high energy, High energy oxidizer, low characteristic signal propellant, gas-forming agent, burning ratemodifier, the flame formula neck such as inhibitor and pyrotechnic composition Domain.Such as Song Jin Hong, Zhou Zhiming et al. exist《2-(Dinitromethylene)-1-nitro-1,3- diazacyclopentane-Based Energetic Salts》, Z.Anorg.Allg.Chem., 2012,638 (5), 811- 820 1 structures for being disclosed herein 2- (dinitro ylmethyl) -1- nitro -1,3- diaza cyclopentane compounds, synthetic route and The calculated performance of the compound, its structure is such as shown in (II)：
The density of the compound is 1.77g/cm3, oxygen balance -41.4% is quick-fried using K-J equation calculation explosion velocities 9004m/s 35.5GPa is pressed, but the compound density is smaller, oxygen balance and energy are relatively low.
The content of the invention
The technical problems to be solved by the invention are to overcome the shortcomings of background technology and defect, there is provided a kind of density is larger, Oxygen balance and double (dinitro ylmethyl) the furoxan dihydrazinite compounds of the higher 3,4- of energy.
The synthetic route of double (dinitro ylmethyl) the furoxan dihydrazinite compounds of the 3,4- of the present invention：
Together with chlorine oximido furoxan it is raw material through N using 3,4- bis-2O5Nitration oxidation obtains 3,4- dichloros geminal dinitro oxidation furan We, then 3,4- dichloros geminal dinitro furoxan reduces under the action of potassium iodide obtains 3,4- double (dinitro ylmethyls) oxidation Furazan di-potassium, finally, 3,4- pairs (dinitro ylmethyl) furoxan di-potassium is acidified through sulfuric acid, hydrazine solution obtains 3,4- into salt Double (dinitro ylmethyl) furoxan dihydrazinites.
Double (dinitro ylmethyl) the furoxan dihydrazinite compounds of 3, the 4- of the present invention, its structural formula is such as shown in (I)：
The synthetic method of double (dinitro ylmethyl) the furoxan dihydrazinites of 3, the 4- of the present invention, comprises the following steps：
(1) synthesis of 3,4- dichloros geminal dinitro furoxan
Under stirring, in 15~25 DEG C of temperature, 7.02g (65mmol) dinitrogen pentoxide is added in 100mL chloroforms, Then be added dropwise 8mL contain chloroforms of 2.41g (10mmol) 3, the 4- bis- together with chlorine oximido furoxan, be heated to 30 DEG C~ 45 DEG C reaction 30min, reaction solution obtained after drying colorless oil through pillar layer separation (mobile phase：Ethyl acetate：Petroleum ether =1:5) 3,4- dichloro geminal dinitro furoxans, are obtained.
(2) double (dinitro ylmethyl) furoxan di-potassiums of 3,4-
Under stirring, in 15~35 DEG C of temperature, 0.91g (2.5mmol) 3,4- dichloro geminal dinitro furoxans are dissolved in In 10mL methanol, the potassium iodide methanol solution of 1.66g (10.0mmol) 15mL is added dropwise, about 30min is added dropwise.After keeping the temperature 40min Filtering adds the filtering of 20mL ether, and cold water, ethanol, ether fully wash, and is dried in vacuo to obtain 3,4- double (dinitro ylmethyls) oxidation Furazan di-potassium.
(3) synthesis of 3,4- dichloros geminal dinitro furoxan
Under stirring, in temperature -5~0 DEG C, by double (dinitro ylmethyl) the furoxan di-potassium 0.55g (1.5mmol) of 3,4- It is scattered in 3mL water, dropwise addition concentration is 50% sulfuric acid 1.5mL, after solution becomes clarification, is extracted (10 × 3mL) using ether, is closed And extract and ether is removed at low temperature.Residue is transferred in 25mL reaction bulbs, 10mL methanol is added, is then added dropwise 120 μ L contain 0.096g (3mmol) hydrazine aqueous solutions (concentration 80%), after reacting 2h, remove solvent and are obtained with ethyl alcohol recrystallization To double (dinitro ylmethyl) the furoxan dihydrazinites of 3,4-.
Advantages of the present invention：
Double (dinitro ylmethyl) furoxan dihydrazinite compound density of 3, the 4- of the present invention are larger, its crystalline density is 1.84g/cm3, the density of 2- (dinitro ylmethyl) -1- nitro -1,3- diazacyclo pentanes of documents is 1.77g/cm3；This Double (dinitro ylmethyl) furoxan dihydrazinite compound oxygen balance of 3,4- of invention are larger, its oxygen balance is -13.4%, contrast The oxygen balance of 2- (dinitro ylmethyl) -1- nitro -1,3- diazacyclo pentanes of file is -41.1%；The 3,4- of the present invention is double (dinitro ylmethyl) furoxan dihydrazinite compound energy is higher, its explosion velocity is 9298.0m/s, detonation pressure 39.6GPa, is contrasted The explosion velocity of 2- (dinitro ylmethyl) -1- nitro -1,3- diazacyclo pentanes of file is 9004.0m/s, detonation pressure 33.5GPa.
Embodiment
The present invention is described in further detail with reference to embodiments.
It is the embodiment that inventor provides below, it is necessary to explanation, this embodiment is preferably example, is mainly used for Understand the present invention, but the invention is not restricted to this embodiment.
Embodiment 1
(1) synthesis of 3,4- dichloros geminal dinitro furoxan
Under stirring, in 15~25 DEG C of temperature, 7.02g (65mmol) dinitrogen pentoxide is added in 100mL chloroforms, Then be added dropwise 8mL contain chloroforms of 2.41g (10mmol) 3, the 4- bis- together with chlorine oximido furoxan, be heated to 30 DEG C~ 45 DEG C reaction 30min, reaction solution obtained after drying colorless oil through pillar layer separation (mobile phase：Ethyl acetate：Petroleum ether =1:5) 3,4- dichloro geminal dinitro furoxan 1.01g, yield 28.1%, purity 98.6%, are obtained；
Structural Identification：
Infrared spectrum：IR(KBr,cm-1),υ：1605,1482,1457,1339,1293,1154,1097,1036,982, 860,838,783,712,670,640,501；
Nuclear magnetic spectrum：13CNMR(DMSO-d6,125MHz),δ：146.20,115.88,114.38,107.80；
Elemental analysis：Molecular formula C4Cl2N6O10
Theoretical value：C 13.24,N 23.15
Measured value：C 13.28,N 22.94；
It is strictly 3,4- dichloro geminal dinitro furoxans that said structure appraising datum, which confirms to obtain material,.
(2) synthesis of double (dinitro ylmethyl) the furoxan di-potassiums of 3,4-
Under stirring, in 15~35 DEG C of temperature, 0.91g (2.5mmol) 3,4- dichloro geminal dinitro furoxans are dissolved in In 10mL methanol, the potassium iodide methanol solution of 1.66g (10.0mmol) 15mL is added dropwise, about 30min is added dropwise.After keeping the temperature 40min The filtering of 20mL ether is added, cold water, ethanol, ether washing, are dried in vacuo to obtain double (dinitro ylmethyl) the furoxan dipotassiums of 3,4- Salt 0.78g, yield 84.5%, purity 99.8%；
Structural Identification：
Infrared spectrum：IR(KBr,cm-1),υ:1616,1534,1512,1483,1462,1398,1359,1281,1231, 1188,1149,1137,990,962,851,829,780,748,713,588,457；
Nuclear magnetic spectrum：13C NMR(DMSO-d6,125MHz),δ:152.59,123.69,122.27,112.55；
Elemental analysis:Molecular formula C4K2N6O10
Theoretical value (%)：C 12.97,N 22.70
Measured value (%)：C 13.07,N 22.54；
It is strictly 3,4- bis- (dinitro ylmethyl) furoxan di-potassium that said structure appraising datum, which confirms to obtain material,；
(3) synthesis of double (dinitro ylmethyl) the furoxan dihydrazinites of 3,4-
Under stirring, in temperature -5~0 DEG C, by double (dinitro ylmethyl) the furoxan di-potassium 0.55g (1.5mmol) of 3,4- It is scattered in 3mL water, dropwise addition concentration is 50% sulfuric acid 1.5mL, after solution becomes clarification, is extracted (10 × 3mL) using ether, is closed And extract and ether is removed at low temperature.Residue is transferred in 25mL reaction bulbs, 8mL methanol is added, is then added dropwise 120 μ L contain 0.096g (3mmol) hydrazine aqueous solutions (concentration 80%), after reacting 2h, remove solvent and obtain 3 with ethyl alcohol recrystallization, Double (dinitro ylmethyl) the furoxan dihydrazinite 0.29g of 4-, yield 53.9%, purity 98.5%；
Structural Identification：
Infrared spectrum：IR(KBr,cm-1),υ:3243,3139,3037,1616,1531,1510,1486,1461,1398, 1282,1231,1220,1188,1149,1137,1104,1084,1019,990,962,829,780,748,617；
Nuclear magnetic spectrum：1H NMR(DMSO-d6,500MHz),δ:6.78(s,10H,NH2NH3 +)；13C NMR(DMSO-d6, 125MHz),δ:152.58,123.68,121.05,112.54；
Elemental analysis:Molecular formula C4H10N10O10
Theoretical value (%)：C 13.41,H 2.81,N 39.10
Measured value (%)：C 13.44,H 2.87,N 38.93；
It is strictly double (dinitro ylmethyl) the furoxan dihydrazinites of 3,4- that said structure appraising datum, which confirms to obtain material,.
The performance of double (dinitro ylmethyl) the furoxan dihydrazinites of 3,4-
(1) physical and chemical performance
Appearance：Yellow solid
Solubility：It is soluble in dimethyl sulfoxide (DMSO), N,N-dimethylformamide, water etc.；It is slightly soluble in acetonitrile, acetone, acetic acid second Ester, dichloromethane etc.；Insoluble petroleum ether；
Density：1.84g/cm3X-ray single crystal diffraction
The enthalpy of formation：Density is 1.84g/cm3, the calculating enthalpy of formation is 09 program B3LYP sides of 260.2kJ/molGaussian Method
(2) oxygen balance
Ω(CO2)：- 13.4%
(3) detonation property
Explosion velocity：Density is 1.84g/cm3, calculating explosion velocity is 9298.0m/s K-J equations
Detonation pressure：Density is 1.84g/cm3, calculating detonation pressure is 39.6GPa K-J equations
The purposes of double (dinitro ylmethyl) the furoxan dihydrazinites of 3,4-
Double (dinitro ylmethyl) the furoxan dihydrazinite compounds of the 3,4- of the present invention have the spies such as density is big, energy is high Point, can be applied to explosive field as Explosives.

Claims (1)

1. one kind 3, double (dinitro ylmethyl) the furoxan dihydrazinite compounds of 4-, its structural formula is such as shown in (I)：
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